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dmitriy555 [2]
3 years ago
6

Which selection from the article BEST supports the idea that the sun is necessary to the Earth?

Biology
1 answer:
LenKa [72]3 years ago
3 0

Answer:I believe the answer is A

Explanation:

B and C have nothing to do with how the sun helps or is a necessity. D only talks about the life span of the sun not how it is necessary for the earth. A is the only answer that makes sense because it gives examples on how the sun helps the earth as well as human kind.

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All electromagnetic waves move at what speed?
miss Akunina [59]

Answer:

Electromagnetic radiation is a type of energy that is commonly known as light. Generally speaking, we say that light travels in waves, and all electromagnetic radiation travels at the same speed which is about 3.0 * 108 meters per second through a vacuum.

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6 0
3 years ago
Why are so many eggs produced by invertebrates?
klasskru [66]
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Reptile eggs, bird eggs, and monotreme eggs are laid out of water, and are surrounded by a protective shell, either flexible or inflexible. Eggs laid on land or in nests are usually kept within a favorable temperature range (warm) while the embryo grows. When the embryo is adequately developed it hatches, i.e. breaks out of the egg's shell. Some embryos have a temporary egg tooth with which to crack, pip, or break the eggshell or covering.
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Cystic fibrosis is a recessive gene disorder. The pedigree chart for a family known to have cystic fibrosis is shown below.
Ierofanga [76]

Answer:

50%

Explanation:

So this would mean that the white color is a recessive trait. The answer would then be the allele for white flowers is recessive in the pea plant.

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2 years ago
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